Incrustation-preventive



UNITED STATES PATENT OFFICE.

DAVIS R. BOOGHER, OF ST. LOUIS, MISSOURI.

lNCRUSTATlON-PREVENTIVE.

SPECIFICATION forming part of Letters Patent No. 411,320, dated September 17, 18189.

Application filed June 21, 1889. Serial No. 815,104. (No specimens.)

To all whom, it may concern.-

Be it known that I, DAVIS R. BOOGHER, of the city of St. Louis, in the State of Missouri, have invented a certain new and useful Improvement in Boiler Compounds, of which the following is a full, clear, and exact description.

My invention relates to an improved compound for the prevention and removal of scale in boilers; and my invention consists in a compound composed of the following parts, in or about the proportions named, Viz: oak extract, four hundred and fifty pounds; gambia, one hundred pounds; sumac, one hundred pounds; Wormwood, fifty pounds, and caustic soda, twentyfive pounds.

named.

DAVIS R. BOOGHER.

WVitnesses:

SAML. KNIGHT, BENJN. A. KNIGHT.

soda, mixed together in ahoutthe proportions 2 5 

